Strangest Things Season 2

First a mysterious neolithic stone ball, then Pulvermacher's electric chain belt will give you a shock and finally the case of the missing cat - mummy.

Experts investigate the shattered skull of a 19th century railway worker.

Experts investigate an elaborately detailed gold mask of Ancient Greece.

Experts explore a controversial machine designed to measure intelligence.

Experts examine an ancient tablet could be the key to a lost civilization.

Experts explore the only objects ever found in the Great Pyramid of Giza.

Experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact.

Experts examine the enigmatic mosaic adorned on the ancient Standard of Ur.

A museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.